Shell script to report failed login attempt in oracle

 Shell script to report failed login attempt in oracle

=====================================================

Requirement: Configure a shell script in crontab, that will send alert to DB support Team, in the case of any invalid login attempts in the database.   1. First, enable audit for create session


SQL> audit create session;

 

Audit succeeded.


2. Final shell script Below script for any invalid login attempts in last 15 minutes. cat /export/home/oracle/invalid_log.sh


export ORACLE_HOME=/oracle/app/oracle/product/12.1.0/dbhome_1

export ORACLE_SID=SBIP18DB

export PATH=$ORACLE_HOME/bin:$PATH

logfile=/export/home/oracle/test.log

sqlplus -s "/as sysdba" > /dev/null << EOF

spool $logfile

set pagesize 1299

set lines 299

col username for a15

col userhost for a13

col timestamp for a39

col terminal for a23

SELECT username,userhost,terminal,to_char(timestamp,'DD/MM/YY HH24:MI:SS' ) "TIMESTAMP" ,

CASE

when returncode=1017 then 'INVALID-attempt'

when returncode=28000 then 'account locked'

end "FAILED LOGIN ACTION"

FROM dba_audit_session where timestamp > sysdate-1/9and returncode in (1017,28000);

spool off

exit

EOF

count=`cat $logfile|wc -l`

#echo $count

if [ $count  -ge 4 ];

then

  mailx -s "INVALID ATTEMPS IN DB  " support@dbaclass.com < $logfile

fi

 

 provide […]


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